音标:[diˈfju:s ˈnebjələ] ;
弥漫星云
词型变化:名词复数形式 : diffuse nebulas
【近义词】

EDMUND HO REPORTED HIS WORK IN BEIJING Macao's Chief Executive, Edmund Ho, has met top mainland officials for a progress report in a lead up to the territory ’ s handover anniversary on Wednesday. M

发表于:2018-11-28 / 阅读(234) / 评论(0) 分类 疯狂英语2001年

I Do a Lot of Office Fishing by Richard Salmon Some years ago, I started to look at the stars through high-powered binoculars and began reading books written by astronomers for people like me. I became an entranced stargazer for a while. The men who

发表于:2018-11-30 / 阅读(115) / 评论(0) 分类 英语励志美文精华

[00:03.89]deed deem deep deepen [00:08.76]n.(已完成的)行为, vt.认为,相信 a.深的,深刻的 v.变深,变浓 [00:13.64]deeply deer defeat defect [00:18.26]ad.深深地 n.鹿 v./n.挫败,战胜n.失败 n.缺陷,缺点 [00:22.88]de

发表于:2018-11-30 / 阅读(120) / 评论(0) 分类 考研英语词汇2005

Where would you find Grimaldi, Copernicus and the Sea of Clouds? 你会在哪里找到格里马尔迪、哥白尼和云海? The Sistine Chapel, the Circuit de Monaco, the Orion Nebula or the moon? 西斯廷教堂、摩纳哥赛道、猎户座星云还是

发表于:2018-12-02 / 阅读(85) / 评论(0) 分类 CNN美国有线新闻2018年6月

Lesson 32 Galileo reborn 伽利略的复生 First listen and then answer the following question. 听录音,然后回答以下问题。 What has modified out traditional view of Galileo in recent times? In his own lifetime Galileo was the centre of v

发表于:2018-12-08 / 阅读(638) / 评论(0) 分类 新概念英语第四册

Some pairs of words are used interchangeably, even indiscriminately. Often the words in question sound similar, and that creates confusion. Other times they are simply misused so frequentlyowing to their similarity of meaning, despite a nuanced diffe

发表于:2019-01-02 / 阅读(74) / 评论(0) 分类 英语语法 Grammar Girl

96

发表于:2019-01-02 / 阅读(271) / 评论(0) 分类 科技之光

This is Scientific American's 60-Second Science. I'm Steve Mursky. Got a minute? Orbiting around stars far far away is sand. Astronomers have found sandy particles circling a pair of stars about 2,400 light years from us. And they think they might be

发表于:2019-01-08 / 阅读(118) / 评论(0) 分类 Scientific American(三)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. If youve ever wondered where the Earth came from, the answer, it seems, is blowin in the windthe solar wind. Or so say scientists who, after examining sola

发表于:2019-01-08 / 阅读(94) / 评论(0) 分类 Scientific American(七)月

反射星云是靠反射附近恒星的光线而发光的,呈蓝色。反射星云的光度较暗弱,较容易观测到的例子是围绕着金牛座M45七姊妹星团的反射星云,在透明度高及无月的晚上,利用望远镜便可看到

发表于:2019-01-08 / 阅读(203) / 评论(0) 分类 托福英语

The Aeneid by Virgil 《埃涅阿斯纪》维吉尔 Mark first read the Aeneid while he was studying Latin in high school, and he recountedthe story of Aeneass quest and his desire to build a city that, he said, quoting the text in English, knows no

发表于:2019-01-17 / 阅读(74) / 评论(0) 分类 阅读空间

Commodity introduction 产品介绍 A: This is my first visit to the Fair. Everything is new to me, so many people and so many showrooms. Mr. Ding, would you please give me some information? 我第一次参加广交会,觉得一切都很新鲜,这么

发表于:2019-01-23 / 阅读(107) / 评论(0) 分类 外贸英语一点通

The reason we can be reasonably confident that such an event won't happen in our corner of the galaxy, Thorstensen said, is that it takes a particular kind of star to make a supernova in the first place. 索尔斯坦森说,有理由相信,这种事

发表于:2019-01-29 / 阅读(84) / 评论(0) 分类 万物简史

The Aeneid by Virgil 《埃涅阿斯纪》维吉尔 Mark first read the Aeneid while he was studying Latin in high school, and he recounted the story of Aeneass quest and his desire to build a city that, he said, quoting the text in English, knows no

发表于:2019-02-01 / 阅读(65) / 评论(0) 分类 阅读空间

Chinas space program has become the first to land a spacecraft on the so-called dark side of the moon. The landing on Thursday brought the country closer to its goal of becoming a space power. The China National Space Administration said the landing

发表于:2019-02-06 / 阅读(68) / 评论(0) 分类 2019年VOA慢速英语(一)月

编者按: 我的存在有何意义?我也好,我的民族也好,我的世界也好,我们的存在能起什么作用呢? 我生命的旅程向何处延伸,这个问题真的重要吗?是谁主宰着整个宇宙,他在想些什么呢?

发表于:2019-02-11 / 阅读(77) / 评论(0) 分类 英语名篇背诵

Shortly after Copernicus, in the 1580s, an Italian friar, Giordano Bruno, 哥白尼死后不久,在十六世纪80年代,意大利修道士焦尔达诺布鲁诺提出, suggested the stars were suns that likely had their own planets and that the

发表于:2019-02-13 / 阅读(67) / 评论(0) 分类 TED演讲教育篇

How old is the Earth? 地球的年龄有多大? Well, by counting the number of isotopes in a sample of rock that's undergone radioactive decay, 通过对岩石样品中正经历着放射衰变的同位素计数, geologists have estimated the Ear

发表于:2019-02-13 / 阅读(75) / 评论(0) 分类 TED演讲教育篇

It looks like a hand of God reaching out into the cosmos, but NASA says the display is caused by a young and powerful pulsar. Taken by NASA's Chandra X-ray observatory from it's orbiting 360 miles above the Earth, the recently released photo of Pulsa

发表于:2019-02-16 / 阅读(110) / 评论(0) 分类 实用英语

Now as we pull away from this world -- we're going to keep pulling away from the star now. 现在,我们将视线从这个世界里移出来--我们从这个星球移出来了 One of the things that always frustrated me a little bit about astronomy

发表于:2019-02-21 / 阅读(65) / 评论(0) 分类 TED演讲教育篇
学英语单词
acrodermatitis vesiculosa tropica
aerial photograph interpretation
all working time saved both ends
alternate exterior angle
alverca da beira
ambiguity in conditional statement
annular ulcer
antiprogressive
arabidopsis
argininevasopressin
babble of
Bardin Seamount
Bayes estimation learning system
Bemban, Sungai
Bolshaya Sovetskaya Entsiklopediya
bossey
boy bits
buriable
Cat-5e
CCALI
ch'ien tou j?n
claw hatchet
clover-leaf antenna
commodity lines
compression consolidation test
consumer management
court seized of the substance
Cuminum
denesh
Des Allemands
dithioketals
financial sanction
flakiness ratio
flavescens
flexible rubber-insulated wire
fracture valley
from youth onwards
gabarra
germ pores
glass pipe line
grege silk
handsenyie
having intercourse
hawksnest
history of water conservancy
hydraulic organs
hyperkalaemias
idiotype
infraction of civil law
lagrange interpolation
lean on a broken reed
light-transmitting specimen
lobular pneumonic
malietia
midthought
monounsaturated fatty acids
n.g.r.
negative ion source
neutron scattering analysis
new-product monopoly
official holdings of documents
organic fertiliser
ornithine
Pasteur filter
pattern board
pay as one go
planosporicin
plough land
potted
pre-proopiomelanocortin(pre-POMC)
primary insanity
public-service announcement
quinata
rear engine vehicle
reserve seed method
rigesity
route locking indication
scouring sluice
self-curing denture acrylic
several inheritance
shockexcite
Spanish nectarine
spiral coil
springing height
stand upon points
state-assembly
stay luff
Su-chou
the present age
theatre blues
to fall apart
tupiks
uncompromisingness
undercompound excitation
upload
vacuum carburization
voluntary bankruptcy
Weltstadt
went five-hole
wireless router
wood ventilation pipe
Yongul-li